名校
解题方法
1 . 已知
,且
,函数
,
在
上是单调减函数,且满足下列三个条件中的两个:①函数
为奇函数;②
;③
.
(1)从中选择的两个条件的序号为_______,依所选择的条件求得
______,
_______(不需要过程,直接将结果写在答题卡上即可)
(2)在(1)的情况下,若方程
在
上有且只有一个实根,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7d388df8a41777cbc3755fbd80efd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7926703c19e89a7438753101df731738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e88c844860c1d1eaeb80660679ca928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a1e4572e907ff8abb63b998d6d5c1e.png)
(1)从中选择的两个条件的序号为_______,依所选择的条件求得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
(2)在(1)的情况下,若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6735e3aa27d0ba04ec310fb4bfd9ceb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
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2023-01-05更新
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241次组卷
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2卷引用:北京十一实验中学2022-2023学年高一上学期期末教与学诊断数学试题